Home / 926,841,382.66-1,279,064,171.82-503,454,910.78

Finding the Fourth Proportional to 926,841,382.66, 1,279,064,171.82 and 503,454,910.78

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Solution

The fourth proportional to 926,841,382.66, 1,279,064,171.82 and 503,454,910.78 is: 694,780,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,841,382.66 : 1,279,064,171.82 = 503,454,910.78 : x
  2. Step 2: Convert to fraction form
    926,841,382.66/1,279,064,171.82 = 503,454,910.78/x
  3. Step 3: Cross multiply
    926,841,382.66x = 1,279,064,171.82 × 503,454,910.78
  4. Step 4: Simplify right side
    926,841,382.66x = 643,951,138,505,532,672
  5. Step 5: Solve for x
    x = 643,951,138,505,532,672/926,841,382.66
  6. Step 6: Final answer
    x = 694,780,304.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.